DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR Award a ₱9.6M contract to BLC CONSTRUCTION AND AGGREGATESNational agencies

Transaction hash:

a417232a441d22d822d45d3d9b8205be78323b04deb453ac9741417c24420279

Status:

Included and unchanged

Block:

#1,177 4,836 blocks after it

Position in block:

Transaction 39 of 63

Award day:

Jun 28, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

BLC CONSTRUCTION AND AGGREGATES

Value:

₱9,572,507.45

Project:

Rehabilitation/Reconstruction/Upgrading of Damaged Paved National Roads, Quezon Hill Road No. 1, K0307+(-399)-K0307+101

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #1,177 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR awarded it to BLC CONSTRUCTION AND AGGREGATES on 2011-06-28.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored a417232a44…420279now …
2. Block Merkle root changed
stored 83d5d347c2…0ded36now …
3. Block #1177 hash changed
stored 7b0112a411…dc337dnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.

leaf a417232a441d22d822d45d3d9b8205be78323b04deb453ac9741417c24420279
01 L 9d18661b2ccd61e46943626e8648490efca77a6335316a9c4b1b0fa74c918137
02 L 059a6d3b997563d6d733c65dad0f6bf31f6a51db8866adc771d93990228ba61a
03 L 4b204c211f2556c6778850b56883649958a90438b6bd4197a73c3604693c2f93
04 R bca3dad3a48d997675d55690b392920ab491149689aad226c52c674d40192f02
05 R 03f877f309aa5860fe72863c2e89289b11ac169bd0bab9aa8add502208f2abb0
06 L 3543b696e7547ea732974e06ef9785b90f670b6083e78744279d974b55e904a9
root 83d5d347c22c9fdbce38cdd36c4ee926482eb0208013c36337cb9f02340ded36